os4ed CVE Vulnerabilities & Metrics

Focus on os4ed vulnerabilities and metrics.

Last updated: 08 Mar 2025, 23:25 UTC

About os4ed Security Exposure

This page consolidates all known Common Vulnerabilities and Exposures (CVEs) associated with os4ed. We track both calendar-based metrics (using fixed periods) and rolling metrics (using gliding windows) to give you a comprehensive view of security trends and risk evolution. Use these insights to assess risk and plan your patching strategy.

For a broader perspective on cybersecurity threats, explore the comprehensive list of CVEs by vendor and product. Stay updated on critical vulnerabilities affecting major software and hardware providers.

Global CVE Overview

Total os4ed CVEs: 63
Earliest CVE date: 09 Dec 2013, 16:36 UTC
Latest CVE date: 20 Nov 2023, 19:15 UTC

Latest CVE reference: CVE-2023-38885

Rolling Stats

30-day Count (Rolling): 0
365-day Count (Rolling): 0

Calendar-based Variation

Calendar-based Variation compares a fixed calendar period (e.g., this month versus the same month last year), while Rolling Growth Rate uses a continuous window (e.g., last 30 days versus the previous 30 days) to capture trends independent of calendar boundaries.

Variations & Growth

Month Variation (Calendar): 0%
Year Variation (Calendar): -100.0%

Month Growth Rate (30-day Rolling): 0.0%
Year Growth Rate (365-day Rolling): -100.0%

Monthly CVE Trends (current vs previous Year)

Annual CVE Trends (Last 20 Years)

Critical os4ed CVEs (CVSS ≥ 9) Over 20 Years

CVSS Stats

Average CVSS: 5.7

Max CVSS: 7.5

Critical CVEs (≥9): 0

CVSS Range vs. Count

Range Count
0.0-3.9 9
4.0-6.9 35
7.0-8.9 21
9.0-10.0 0

CVSS Distribution Chart

Top 5 Highest CVSS os4ed CVEs

These are the five CVEs with the highest CVSS scores for os4ed, sorted by severity first and recency.

All CVEs for os4ed

CVE-2023-38885 os4ed vulnerability CVSS: 0 20 Nov 2023, 19:15 UTC

OpenSIS Classic Community Edition version 9.0 lacks cross-site request forgery (CSRF) protection throughout the whole app. This may allow an attacker to trick an authenticated user into performing any kind of state changing request.

CVE-2023-38884 os4ed vulnerability CVSS: 0 20 Nov 2023, 19:15 UTC

An Insecure Direct Object Reference (IDOR) vulnerability in the Community Edition version 9.0 of openSIS Classic allows an unauthenticated remote attacker to access any student's files by visiting '/assets/studentfiles/<studentId>-<filename>'

CVE-2023-38883 os4ed vulnerability CVSS: 0 20 Nov 2023, 19:15 UTC

A reflected cross-site scripting (XSS) vulnerability in the Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into the 'ajax' parameter in 'ParentLookup.php'.

CVE-2023-38882 os4ed vulnerability CVSS: 0 20 Nov 2023, 19:15 UTC

A reflected cross-site scripting (XSS) vulnerability in the Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into the 'include' parameter in 'ForExport.php'

CVE-2023-38881 os4ed vulnerability CVSS: 0 20 Nov 2023, 19:15 UTC

A reflected cross-site scripting (XSS) vulnerability in the Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into any of the 'calendar_id', 'school_date', 'month' or 'year' parameters in 'CalendarModal.php'.

CVE-2023-38880 os4ed vulnerability CVSS: 0 20 Nov 2023, 19:15 UTC

The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of "opensisBackup<date>.sql" (e.g. "opensisBackup07-20-2023.sql"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.

CVE-2023-38879 os4ed vulnerability CVSS: 0 20 Nov 2023, 19:15 UTC

The Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to read arbitrary files via a directory traversal vulnerability in the 'filename' parameter of 'DownloadWindow.php'.

CVE-2022-45962 os4ed vulnerability CVSS: 0 13 Feb 2023, 21:15 UTC

Open Solutions for Education, Inc openSIS Community Edition v8.0 and earlier is vulnerable to SQL Injection via CalendarModal.php.

CVE-2022-27041 os4ed vulnerability CVSS: 5.0 11 Apr 2022, 14:15 UTC

Due to lack of protection, parameter student_id in OpenSIS Classic 8.0 /modules/eligibility/Student.php can be used to inject SQL queries to extract information from databases.

CVE-2021-40637 os4ed vulnerability CVSS: 4.3 03 Mar 2022, 15:15 UTC

OS4ED openSIS 8.0 is affected by cross-site scripting (XSS) in EmailCheckOthers.php. An attacker can inject JavaScript code to get the user's cookie and take over the working session of user.

CVE-2021-40636 os4ed vulnerability CVSS: 5.0 03 Mar 2022, 14:15 UTC

OS4ED openSIS 8.0 is affected by SQL Injection in CheckDuplicateName.php, which can extract information from the database.

CVE-2021-40635 os4ed vulnerability CVSS: 5.0 03 Mar 2022, 14:15 UTC

OS4ED openSIS 8.0 is affected by SQL injection in ChooseCpSearch.php, ChooseRequestSearch.php. An attacker can inject a SQL query to extract information from the database.

CVE-2021-41679 os4ed vulnerability CVSS: 6.8 30 Nov 2021, 14:15 UTC

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/modules/grades/InputFinalGrades.php, period parameter.

CVE-2021-41678 os4ed vulnerability CVSS: 6.8 30 Nov 2021, 14:15 UTC

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/modules/users/Staff.php, staff{TITLE] parameter.

CVE-2021-41677 os4ed vulnerability CVSS: 6.8 30 Nov 2021, 13:15 UTC

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/functions/GetStuListFnc.php &Grade= parameter.

CVE-2021-40618 os4ed vulnerability CVSS: 7.5 12 Oct 2021, 18:15 UTC

An SQL Injection vulnerability exists in openSIS Classic 8.0 via the 1) ADDR_CONT_USRN, 2) ADDR_CONT_PSWD, 3) SECN_CONT_USRN or 4) SECN_CONT_PSWD parameters in HoldAddressFields.php.

CVE-2021-40617 os4ed vulnerability CVSS: 7.5 11 Oct 2021, 19:15 UTC

An SQL Injection vulnerability exists in openSIS Community Edition version 8.0 via ForgotPassUserName.php.

CVE-2021-40543 os4ed vulnerability CVSS: 7.5 11 Oct 2021, 13:15 UTC

Opensis-Classic Version 8.0 is affected by a SQL injection vulnerability due to a lack of sanitization of input data at two parameters $_GET['usrid'] and $_GET['prof_id'] in the PasswordCheck.php file.

CVE-2021-40542 os4ed vulnerability CVSS: 4.3 11 Oct 2021, 13:15 UTC

Opensis-Classic Version 8.0 is affected by cross-site scripting (XSS). An unauthenticated user can inject and execute JavaScript code through the link_url parameter in Ajax_url_encode.php.

CVE-2021-40651 os4ed vulnerability CVSS: 4.0 29 Sep 2021, 12:15 UTC

OS4Ed OpenSIS Community 8.0 is vulnerable to a local file inclusion vulnerability in Modules.php (modname parameter), which can disclose arbitrary file from the server's filesystem as long as the application has access to the file.

CVE-2021-40310 os4ed vulnerability CVSS: 3.5 24 Sep 2021, 16:15 UTC

OpenSIS Community Edition version 8.0 is affected by a cross-site scripting (XSS) vulnerability in the TakeAttendance.php via the cp_id_miss_attn parameter.

CVE-2021-40309 os4ed vulnerability CVSS: 6.5 24 Sep 2021, 16:15 UTC

A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to "Take Attendance" functionality to trigger this vulnerability.

CVE-2021-27341 os4ed vulnerability CVSS: 7.5 16 Sep 2021, 14:15 UTC

OpenSIS Community Edition version <= 7.6 is affected by a local file inclusion vulnerability in DownloadWindow.php via the "filename" parameter.

CVE-2021-27340 os4ed vulnerability CVSS: 4.3 16 Sep 2021, 14:15 UTC

OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter.

CVE-2021-39379 os4ed vulnerability CVSS: 7.5 01 Sep 2021, 13:15 UTC

A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL commands to the MySQL (MariaDB) database through the ResetUserInfo.php password_stn_id parameter.

CVE-2021-39378 os4ed vulnerability CVSS: 7.5 01 Sep 2021, 13:15 UTC

A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL commands to the MySQL (MariaDB) database through the NamesList.php str parameter.

CVE-2021-39377 os4ed vulnerability CVSS: 7.5 01 Sep 2021, 13:15 UTC

A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL commands to the MySQL (MariaDB) database through the index.php username parameter.

CVE-2021-40353 os4ed vulnerability CVSS: 7.5 01 Sep 2021, 01:15 UTC

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the index.php USERNAME parameter. NOTE: this issue may exist because of an incomplete fix for CVE-2020-6637.

CVE-2020-27409 os4ed vulnerability CVSS: 4.3 04 Dec 2020, 16:15 UTC

OpenSIS Community Edition before 7.5 is affected by a cross-site scripting (XSS) vulnerability in SideForStudent.php via the modname parameter.

CVE-2020-27408 os4ed vulnerability CVSS: 5.0 04 Dec 2020, 16:15 UTC

OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file ResetUserInfo.php that allow an unauthenticated attacker to change the password of arbitrary users.

CVE-2020-6144 os4ed vulnerability CVSS: 7.5 01 Sep 2020, 21:15 UTC

A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.

CVE-2020-6143 os4ed vulnerability CVSS: 7.5 01 Sep 2020, 21:15 UTC

A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The password variable which is set at line 122 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.

CVE-2020-6142 os4ed vulnerability CVSS: 7.5 01 Sep 2020, 21:15 UTC

A remote code execution vulnerability exists in the Modules.php functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can cause local file inclusion. An attacker can send an HTTP request to trigger this vulnerability.

CVE-2020-6140 os4ed vulnerability CVSS: 7.5 01 Sep 2020, 21:15 UTC

SQL injection vulnerability exists in the password reset functionality of OS4Ed openSIS 7.3. The password_stf_email parameter in the password reset page /opensis/ResetUserInfo.php is vulnerable to SQL injection. An attacker can send an HTTP request to trigger this vulnerability.

CVE-2020-6139 os4ed vulnerability CVSS: 7.5 01 Sep 2020, 21:15 UTC

SQL injection vulnerability exists in the password reset functionality of OS4Ed openSIS 7.3. The username_stf_email parameter in the password reset page /opensis/ResetUserInfo.php is vulnerable to SQL injection. An attacker can send an HTTP request to trigger this vulnerability.

CVE-2020-6138 os4ed vulnerability CVSS: 7.5 01 Sep 2020, 21:15 UTC

SQL injection vulnerability exists in the password reset functionality of OS4Ed openSIS 7.3. The uname parameter in the password reset page /opensis/ResetUserInfo.php is vulnerable to SQL injection An attacker can send an HTTP request to trigger this vulnerability.

CVE-2020-6137 os4ed vulnerability CVSS: 7.5 01 Sep 2020, 21:15 UTC

SQL injection vulnerability exists in the password reset functionality of OS4Ed openSIS 7.3. The password_stf_email parameter in the password reset page /opensis/ResetUserInfo.php is vulnerable to SQL injection. An attacker can send an HTTP request to trigger this vulnerability.

CVE-2020-6141 os4ed vulnerability CVSS: 7.5 01 Sep 2020, 18:15 UTC

An exploitable SQL injection vulnerability exists in the login functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can lead to SQL injection. An attacker can send an HTTP request to trigger this vulnerability.

CVE-2020-6136 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 18:15 UTC

An exploitable SQL injection vulnerability exists in the DownloadWindow.php functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can lead to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6135 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 17:15 UTC

An exploitable SQL injection vulnerability exists in the Validator.php functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can lead to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6134 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 15:15 UTC

SQL injection vulnerabilities exist in the ID parameters of OS4Ed openSIS 7.3 pages. The id parameter in the page MassDropModal.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6133 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 15:15 UTC

SQL injection vulnerabilities exist in the ID parameters of OS4Ed openSIS 7.3 pages. The id parameter in the page CourseMoreInfo.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6132 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 15:15 UTC

SQL injection vulnerability exists in the ID parameters of OS4Ed openSIS 7.3 pages. The id parameter in the page ChooseCP.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6128 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 15:15 UTC

SQL injection vulnerability exists in the CoursePeriodModal.php page of OS4Ed openSIS 7.3. A specially crafted HTTP request can lead to SQL injection. The meet_date parameter in the page CoursePeriodModal.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6127 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 15:15 UTC

SQL injection vulnerability exists in the CoursePeriodModal.php page of OS4Ed openSIS 7.3. The id parameter in the page CoursePeriodModal.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6126 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 15:15 UTC

SQL injection vulnerability exists in the CoursePeriodModal.php page of OS4Ed openSIS 7.3. The course_period_id parameter in the page CoursePeriodModal.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

CVE-2020-6125 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 15:15 UTC

An exploitable SQL injection vulnerability exists in the GetSchool.php functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can lead to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6124 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 15:15 UTC

An exploitable sql injection vulnerability exists in the email parameter functionality of OS4Ed openSIS 7.3. The email parameter in the page EmailCheckOthers.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6131 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerabilities exist in the course_period_id parameters used in OS4Ed openSIS 7.3 pages. The course_period_id parameter in the page MassScheduleSessionSet.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

CVE-2020-6130 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerabilities exist in the course_period_id parameters used in OS4Ed openSIS 7.3 pages. The course_period_id parameter in the page MassDropSessionSet.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

CVE-2020-6129 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerabilities exist in the course_period_id parameters used in OS4Ed openSIS 7.3 pages. The course_period_id parameter in the page CpSessionSet.php is vulnerable to SQL injection.An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

CVE-2020-6123 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

An exploitable sql injection vulnerability exists in the email parameter functionality of OS4Ed openSIS 7.3. The email parameter in the page EmailCheck.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6122 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerability exists in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The mn parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6121 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The ln parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6120 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerability exists in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The fn parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6119 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The byear parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6118 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The bmonth parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6117 os4ed vulnerability CVSS: 6.5 01 Sep 2020, 14:15 UTC

SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The bday parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVE-2020-6637 os4ed vulnerability CVSS: 7.5 24 Aug 2020, 19:15 UTC

openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.

CVE-2020-13383 os4ed vulnerability CVSS: 5.0 01 Jul 2020, 15:15 UTC

openSIS through 7.4 allows Directory Traversal.

CVE-2020-13382 os4ed vulnerability CVSS: 6.4 01 Jul 2020, 15:15 UTC

openSIS through 7.4 has Incorrect Access Control.

CVE-2020-13381 os4ed vulnerability CVSS: 7.5 01 Jul 2020, 15:15 UTC

openSIS through 7.4 allows SQL Injection.

CVE-2020-13380 os4ed vulnerability CVSS: 7.5 01 Jul 2020, 15:15 UTC

openSIS before 7.4 allows SQL Injection.

CVE-2014-8366 os4ed vulnerability CVSS: 7.5 20 Oct 2014, 18:55 UTC

SQL injection vulnerability in openSIS 4.5 through 5.3 allows remote attackers to execute arbitrary SQL commands via the Username and password to index.php.

CVE-2013-1349 os4ed vulnerability CVSS: 7.5 09 Dec 2013, 16:36 UTC

Eval injection vulnerability in ajax.php in openSIS 4.5 through 5.2 allows remote attackers to execute arbitrary PHP code via the modname parameter.